The BGP Instability Report


The BGP Instability Report is updated daily. This report
was generated on 29 July 2025 06:22 (UTC+1000)


50 Most active ASes for the past 14 days

RANKASN             UPDs            %PrefixesUPDs/PrefixAS NAME
1165093568924.10%1383525.80AMAZON-02, US
281512611393.00%1239221.07UNINET, MX
3186781057121.21%259408.15INTERNEXA S.A. E.S.P, CO
44155879181.01%389622.57USDA-1, US
539891805740.93%479816.79ALJAWWALSTC-AS, SA
658224756280.87%116664.86TCI, IR
710620661820.76%351518.83Telmex Colombia S.A., CO
836903661210.76%124952.94MT-MPLS, MA
915964630890.72%136463.89CAMNET-AS, CM
1028135578810.66%67863.90ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
1117049545930.63%64853.02MBO-NET, US
1227882475750.55%367129.63Telefonica Celular de Bolivia S.A., BO
13647467330.54%417112.07DNIC-ASBLK-00616-00665, US
1452752458830.53%281638.68Vegas Telecom Informatica Ltda., BR
159829417090.48%183322.75BSNL-NIB National Internet Backbone, IN
1636914381100.44%58864.81KENET-AS, KE
1745899377140.43%329911.43VNPT-AS-VN VNPT Corp, VN
18197207363450.42%74748.65MCCI-AS, IR
19367349660.40%277612.60DNIC-ASBLK-00306-00371, US
2063376347970.40%217398.50TOUCHTONE-CUSTS, US
2144244341850.39%42780.06IRANCELL-AS, IR
22136255321360.37%125257.09TIMCL-AS-AP Telecom International Myanmar Co., Ltd, MM
235371309890.36%302102.61DNIC-ASBLK-05120-05376, US
2421826309580.36%87535.38Corporacion Telemic C.A., VE
2551559309260.36%130237.89NETINTERNET Netinternet Bilisim Teknolojileri AS, TR
2628657295310.34%39843.67MD Brasil - Tecnologia da Informacao Ltda, BR
2737462294770.34%47369.25Prestabist, TD
2819429293890.34%70441.75ETB - Colombia, CO
299498293790.34%44736.57BBIL-AP BHARTI Airtel Ltd., IN
30263069286070.33%112600.64BRT Comercio de Produtos de Informatica LTDA, BR
3120473256690.29%146517.52AS-VULTR, US
328048253140.29%45056.25CANTV Servicios, Venezuela, VE
3342337246260.28%68436.00RESPINA-AS, IR
3417794244130.28%131877.92HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
35334238710.27%46518.93DNIC-ASBLK-00306-00371, US
3624835236840.27%174213.60RAYA-AS, EG
377552235700.27%39445.98VIETEL-AS-AP Viettel Group, VN
388369228550.26%58394.05INTERSVYAZ-AS 38-B, Komsomolsky prospekt, RU
39210538226490.26%26871.12KEYUBU, TR
4034615225590.26%211279.50UNIVERSAL-EXPORTS Universal Exports, CH
4111830220640.25%198711.10Instituto Costarricense de Electricidad y Telecom., CR
4211664220410.25%121618.13Techtel LMDS Comunicaciones Interactivas S.A., AR
4329465218300.25%54639.98VCG-AS, NG
44265566217330.25%54346.60TELESISTEMAS PENINSULARES SA DE CV, MX
4525184212910.24%22594.63AFRANET to AS62265 announce AS25184, IR
4624757208680.24%44946.48EthioNet-AS, ET
4724560205590.24%29167.05AIRTELBROADBAND-AS-AP Bharti Airtel Ltd., Telemedia Services, IN
48209737205530.24%29708.72AS209737, TR
4914374205350.24%103199.37AGRI-VALLEY, US
5030036203260.23%26327.72MEDIACOM-ENTERPRISE-BUSINESS, US
Total 239614827.53%

50 Most active ASes for the past 14 days

RANKASN             UPDs/Prefix         %PrefixesUPDs   AS NAME
16337634797.00.40%234797TOUCHTONE-CUSTS, US
23268512821.00.15%112821AEG-VISION, US
3260312071.00.14%1112071NORDUNET, DK
43461511279.50.26%222559UNIVERSAL-EXPORTS Universal Exports, CH
5286579843.70.34%329531MD Brasil - Tecnologia da Informacao Ltda, BR
63293128694.00.10%18694Manano-Telecommunication-SARL, TD
7374627369.20.34%429477Prestabist, TD
81380715309.00.06%15309IDNIC-PEMPROV-KALTENG-AS-ID PEMERINTAH PROVINSI KALIMANTAN TENGAH, ID
9177944882.60.28%1324413HTCL-ORANGE-HK-AP Hutchison Telephone Company Limited, HK
102659534875.70.17%414627INNOVA TECNOLOGIA E SERVICOS LTDA., BR
113969504834.00.06%14834COMSTBARTH-AS, FR
1279544440.30.15%313321IMMENSE-NETWORKS, US
132655664346.60.25%521733TELESISTEMAS PENINSULARES SA DE CV, MX
142630694086.70.33%1128607BRT Comercio de Produtos de Informatica LTDA, BR
151361033965.80.18%415863IDNIC-USM-AS-ID Universitas Semarang, ID
16133413821.00.09%57642TRANQUILITY, US
178863211.00.04%13211SBH-IX-SERVICES, FR
182113062525.90.20%1417681TREADSTONE-AS, RO
192142942483.00.09%47449NOOBNET, GB
202710842423.00.11%49692TRYMNET PROVEDOR, BR
213291232195.00.03%12195RPNL1-AS, NG
22598652112.70.17%1914789IVM, NL
232714822081.00.10%58324MEGA TELECOM FIBRA, BR
241368672067.00.07%36201IDNIC-TELKOMTELSTRA-AS-ID PT. Teltranet Aplikasi Solusi Telkomtelstra, ID
252687882056.40.17%714395HEXA TELECOM LTDA, BR
2675402042.10.16%11814295HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
271399811969.50.14%611817MENAKSOPAL-AS-ID PT. Menaksopal Link Nusantara, ID
283277301785.00.02%11785PPF, TZ
293284481779.00.02%11779Direction-Generale-Des-Impots-AS, BF
301372581757.00.02%11757SHIRAZI-AS-AP Shirazi Investments Pvt Ltd., PK
31462181647.00.04%23294COMPORIUM-BREVARD-AS, US
32527521638.70.53%2845883Vegas Telecom Informatica Ltda., BR
33311041493.50.03%22987EVACY, FR
34512041424.00.02%11424UNIREA-SHOPPING-CENTER, RO
353285991404.70.05%34214Amanet-SARL, TD
361539781339.30.05%34018IDNIC-SAKOMTA-AS-ID PT Sarana Komunikasi Semesta, ID
37250481329.80.08%56649DSNET DSNet, GB
382157611287.80.06%45151MFATIHASAN, TR
39547461230.00.03%42460KLAZO-ASN, US
403293351228.00.01%11228Department-of-HIV-AIDS-and-Viral-Hepatitis, MW
411399551222.50.08%67335DATAPRIME-AS-ID PT DATA PRIMA SOLUSINDO, ID
42401381214.00.08%127284MDNET, US
433992401142.00.04%103426BLUE-RIDGE-INTERNET, US
442056431136.40.07%55682CENTINSUR, IR
452043181111.00.01%11111BGPTOOLS-QA, GB
462153911103.00.06%55515HOSTABIL, TR
471315781098.00.01%11098BFSUNET Beijing Foreign Studies University, CN
48420631098.00.01%11098ISKV, DE
49293821061.00.02%22122UKRINFOSYSTEMS-AS, UA
50572851059.00.01%
Total 193192.45.93%

50 Most active Prefixes for the past 14 days

RANKPREFIX           UPDs            %Origin AS -- AS NAME
1140.174.37.0/24347970.39%63376 -- TOUCHTONE-CUSTS, US
2138.99.97.0/24295210.33%28657 -- MD Brasil - Tecnologia da Informacao Ltda, BR
3168.0.128.0/22285540.32%263069 -- BRT Comercio de Produtos de Informatica LTDA, BR
4177.46.39.0/24283020.31%28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
5177.46.36.0/24235230.26%28135 -- ASSOCIACAO NACIONAL PARA INCLUSAO DIGITAL - ANID, BR
645.172.92.0/22216890.24%265566 -- TELESISTEMAS PENINSULARES SA DE CV, MX
7181.233.80.0/22201450.22%268314 -- EWERTON DA SILVA LOPES TELECOMUNICACOES, BR
271482 -- MEGA TELECOM FIBRA, BR
8188.213.84.0/23184120.20%20473 -- AS-VULTR, US
9130.137.231.0/24153020.17%16509 -- AMAZON-02, US
10185.56.142.0/23147830.16%59865 -- IVM, NL
11164.163.52.0/22146250.16%265953 -- INNOVA TECNOLOGIA E SERVICOS LTDA., BR
12195.24.192.0/20145150.16%15964 -- CAMNET-AS, CM
13202.181.232.0/23142870.16%7540 -- HKCIX-AS-AP HongKong Commercial Internet Exchange, HK
1445.173.27.0/24142600.16%268788 -- HEXA TELECOM LTDA, BR
15186.83.117.0/24133840.15%10620 -- Telmex Colombia S.A., CO
16207.167.116.0/22133190.15%7954 -- IMMENSE-NETWORKS, US
17161.199.252.0/24128210.14%32685 -- AEG-VISION, US
18124.195.190.0/24126190.14%38684 -- CMBDAEJEON-AS-KR CMB Daejeon Broadcasting Co,.Ltd, KR
19193.10.255.0/24120710.13%2603 -- NORDUNET, DK
2084.205.66.0/24117880.13%12654 -- RIPE-NCC-RIS-AS Reseaux IP Europeens Network Coordination Centre RIPE NCC, NL
21192.109.38.0/24112830.13%34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
22192.109.37.0/24112760.13%34615 -- UNIVERSAL-EXPORTS Universal Exports, CH
23130.137.108.0/24104750.12%16509 -- AMAZON-02, US
24130.137.230.0/24100890.11%16509 -- AMAZON-02, US
25130.137.12.0/24100830.11%16509 -- AMAZON-02, US
26179.48.37.0/2496570.11%271084 -- TRYMNET PROVEDOR, BR
27130.137.219.0/2487490.10%16509 -- AMAZON-02, US
28130.137.80.0/2487310.10%16509 -- AMAZON-02, US
29102.211.107.0/2486940.10%329312 -- Manano-Telecommunication-SARL, TD
30130.137.79.0/2486800.10%16509 -- AMAZON-02, US
31173.82.66.0/2485780.10%16509 -- AMAZON-02, US
32130.137.227.0/2485590.09%16509 -- AMAZON-02, US
33154.72.173.0/2485300.09%15964 -- CAMNET-AS, CM
34130.137.28.0/2485060.09%16509 -- AMAZON-02, US
35130.137.124.0/2485000.09%16509 -- AMAZON-02, US
36130.137.127.0/2484600.09%16509 -- AMAZON-02, US
37130.137.130.0/2484320.09%16509 -- AMAZON-02, US
38130.137.140.0/2483420.09%16509 -- AMAZON-02, US
39130.137.81.0/2483300.09%16509 -- AMAZON-02, US
40173.82.108.0/2483060.09%16509 -- AMAZON-02, US
41130.137.136.0/2483010.09%16509 -- AMAZON-02, US
42130.137.150.0/2482900.09%16509 -- AMAZON-02, US
43130.137.99.0/2482810.09%16509 -- AMAZON-02, US
44130.137.26.0/2482780.09%16509 -- AMAZON-02, US
45130.137.111.0/2482680.09%16509 -- AMAZON-02, US
46173.82.67.0/2482600.09%16509 -- AMAZON-02, US
47130.137.105.0/2482560.09%16509 -- AMAZON-02, US
48130.137.90.0/2482350.09%16509 -- AMAZON-02, US
49130.137.141.0/2482330.09%16509 -- AMAZON-02, US
50130.137.147.0/2482310.09%16509 -- AMAZON-02, US
Total 6336107.00%

14 Day BGP Profile: 15-July-2025 00:00 - 28-July-2025 23:59 (UTC+1000)

Number of BGP Update Messages:  20748137
Number of Prefix Updates:  8709932
Number of Prefix Withdrawals:  310035
Average Prefixes per BGP Update:  0.43
Average BGP Update Messages per second:  17.15
Average Prefix Updates per second:  7.46
Peak BGP Update Message Rate per second:  50317  (10:32:17 Mon, 21-Jul-2025)
Peak Prefix Update Rate per second:  1251  (04:41:22 Tue, 15-Jul-2025)
Peak Prefix Withdraw Rate per second:  27512  (10:32:17 Mon, 21-Jul-2025)
Prefix Count:  1035536
Updated Prefix Count:  713788
Stable Prefix Count:  321748
Origin AS Count:  77121
Updated Origin AS Count:  62503
Stable Origin AS Count:  14618
Unique Path Count:  583385
Updated Path Count:  440656
Stable Path Count:  142729


 

Hourly Average of Per-Second Updated and Withdrawn Prefix Rate

Hourly Peak of Per-Second Updated and Withdrawn Prefix Rate

Hourly Average Per-Second Updated Prefix Rate by Update Type

Hourly Peak of Per-Second Updated Prefix Rate by Update Type

 

BGP Table Activity

Cumulative Distribution of per-Prefix and per-AS Updates


Notes

The data has been gathered using a single eBGP peering with AS 131072. The observations of BGP path change are relative to this observation point. The updates are generated by a Quagga BGP implementation providing a timestamped log of incoming update messages. The timezone of this monitoring point is UTC+1000. Updates are processed on a 24 hour cycle.